Re: [Qemu-devel] [PATCH] opengl rendering in the sdl window

[Daniel P. Berrange]

On Mon, Sep 08, 2008 at 02:41:40PM +0100, Jamie Lokier wrote:
> Anthony Liguori wrote:
> > Practically speaking, it's a royal pain.  It means it has to be disabled 
> > by default.  What's most annoying is that Ubuntu enables compiz by 
> > default so there are a lot of users that will be affected.
> 
> I'm under the impression that the Compiz problem in stable distros is
> that OpenGL rendering isn't redirected by the compositor, so it
> doesn't follow the transformed window in rotating-cube desktops, faded
> or wobbly windows etc.  (Much like Xv for video players sits over
> everything).

The rotating-cube issue is a one annoyance - the bigger problem is that
it'll render over the top of other windows, even when it doesn't have
input focus, and when you move the window, the area where it used to be
doesn't get refreshed. This makes overlapping window management pretty 
unusable :-(

  http://people.redhat.com/berrange/glxgears_compiz.png

Daniel
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